Super Mario Run, which launched on December 15, has surpassed 40 million worldwide downloads in four days, Nintendo announced. It is also the top-ranking free game on the App Store in 140 countries and regions, and is in the top 10 highest grossing games on the App Store in 100 countries.

Super Mario Run is currently available for iOS via the App Store in 150 countries and regions. It is available as a free download allowing players to try elements of the game’s three modes for free. A one-time payment of $9.99 will grant unlimited access to each of the three modes.